Why will trend micro antivirus ownself shut down when i visit some streaming website

Why will my trend micro antivirus ownself shut down when i visit some streaming websiteexample http://woaikanxi.cc/category/movie/after streaming movie for some time the antivirus will ownself shut down....

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That is because this is a dangerous site!!!And i think wen TM want to block it you say it was ok and install some ad-on!So i think do a full scan and look for installed program's and extensions.Here from you

Hard to believe that an antivirus will shut down by itself because encountered a "dangerous site".I thought the purpose of an antivirus is to stay ON and defend your PC when a site is dangerous, not to turn off.